boiled crab
A crab that has been boiled, typically served as a dish.
今夜の夕食は茹で蟹だ。
Tonight's dinner is boiled crab.
Standard kanji spelling.
Katakana spelling for the second part, sometimes used for emphasis or in casual contexts.
Mixed kana-katakana spelling, reflecting the reading.
Compound of 茹で (boiling) and 蟹 (crab).